Note 7 - Investments Schedule of Unrealized Losses (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2013 security	Dec. 31, 2012 security
Schedule of Securities With Unrealized Losses
Other than Temporary Impairment, Credit Losses Recognized in Earnings, Additions, Additional Credit Losses	$ 0
Continuous Loss Position Less Than Twelve Months
Number of Securities		5	1
Fair value HTM And AFS state and municipal obligations		19,903	31
Unrealized losses AFS And HTM state and municipal obligations		99	2
Continuous Unrealized Loss Position, Twelve Months Or Greater
Number of securities		4	8
Fair value HTM And AFS state and municipal obligations		8,480	11,333
Unrealized Losses AFS And HTM state and municipal obligations		1,018	408
Continuous Loss Position, Total
Number of securities		9	9
Fair Value HTM And AFS state and municipal obligations		28,383	11,364
Unrealized losses AFS and HTM state and municipal obligations		1,117	410
US government and agency securities
Continuous Loss Position Less Than Twelve Months
Number of Securities		1
Fair value available-for-sale securities		5,401
AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAggregateLossesAccumulatedInAOCI		57
Continuous Unrealized Loss Position, Twelve Months Or Greater
Number of securities		0
Fair value available-for-sale securities		0
AvailableForSaleSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAggregateLossesAccumulatedInAOCI		0
Continuous Loss Position, Total
Number of securities		1
Fair value available-for-sale securities		5,401
AvailableForSaleSecuritiesContinuousUnrealizedLossPositionAggregateLossesAccumulatedInAOCI		57
State and municipal obligations
Continuous Loss Position Less Than Twelve Months
Number of Securities		4	0
Fair value HTM And AFS state and municipal obligations		14,502	0
Unrealized losses AFS And HTM state and municipal obligations		42	0
Continuous Unrealized Loss Position, Twelve Months Or Greater
Number of securities		2	2
Fair value HTM And AFS state and municipal obligations		5,514	6,004
Unrealized Losses AFS And HTM state and municipal obligations		534	49
Continuous Loss Position, Total
Number of securities		6	2
Fair Value HTM And AFS state and municipal obligations		20,016	6,004
Unrealized losses AFS and HTM state and municipal obligations		576	49
Corporate bonds and notes
Continuous Loss Position Less Than Twelve Months
Number of Securities		0	0
Fair value available-for-sale securities		0	0
AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAggregateLossesAccumulatedInAOCI		0	0
Continuous Unrealized Loss Position, Twelve Months Or Greater
Number of securities		2	6
Fair value available-for-sale securities		2,966	5,329
AvailableForSaleSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAggregateLossesAccumulatedInAOCI		484	359
Continuous Loss Position, Total
Number of securities		2	6
Fair value available-for-sale securities		2,966	5,329
AvailableForSaleSecuritiesContinuousUnrealizedLossPositionAggregateLossesAccumulatedInAOCI		484	359
RMBS
Continuous Loss Position Less Than Twelve Months
Number of Securities			1
Fair value available-for-sale securities			31
AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAggregateLossesAccumulatedInAOCI			2
Continuous Unrealized Loss Position, Twelve Months Or Greater
Number of securities			0
Fair value available-for-sale securities			0
AvailableForSaleSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAggregateLossesAccumulatedInAOCI			0
Continuous Loss Position, Total
Number of securities			1
Fair value available-for-sale securities			31
AvailableForSaleSecuritiesContinuousUnrealizedLossPositionAggregateLossesAccumulatedInAOCI			$ 2